TCS Ninja Question Paper | TCS Ninja Interview Experience
31. Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed ?
A. 210
B. 1050
C. 25200
D. 21400
E. None of these
Answer : C. 25200...
32. How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9, which are divisible by 5 and none of the digits is repeated ?
A. 5
B. 10
C. 15
D. 20
Answer : D. 20...
33. A box contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the box, if at least one black ball is to be included in the draw ?
A. 32
B. 48
C. 64
D. 96
E. None of these
Answer : C. 64...
34. Evaluate permutation equation 59P3 ?
A. 195052
B. 195053
C. 195054
D. 185054
Answer : C. 195054...
35. How many words can be formed from the letters of the word AFTER, so that the vowels never come together ?
A. 48
B. 52
C. 72
D. 120
Answer : C. 72...
36. A box contains 4 red, 3 white and 2 blue balls. Three balls are drawn at random. Find out the number of ways of selecting the balls of different colours ?
A. 12
B. 24
C. 48
D. 168
Answer : B. 24...
37. In how many different ways the letters of the word "MATHEMATICS" can be arranged so that the vowels always come together ?
A. 10080
B. 4989600
C. 120960
D. None of these
Answer : C. 120960...
38. Two cards are drawn together from a pack of 52 cards. The probability that one is a club and one is a diamond ?
A. 13/51
B. 1/52
C. 13/102
D. 1/26
Answer : C. 13/102...
39. When two dice are tossed, What is the probability that the total score is a prime number ?
A. 1/4
B. 1/3
C. 2/3
D. 5/12
Answer : D. 5/12...
40. A bag contains 4 black, 5 yellow and 6 green balls. Three balls are drawn at random from the bag. What is the probability that all of them are yellow ?
A. 2/91
B. 1/81
C. 1/8
D. 2/81
Answer : A. 2/91...
41. A letter is chosen at random from the word "ASSASSINATION". What is the probability that it is a consonant?
A. 4/13
B. 8/13
C. 7/13
D. 6/13
Answer : C. 7/13...
42. Two dice are rolled together. What is the probability of getting two numbers whose product is even ?
A. 17/36
B. 1/3
C. 3/4
D. 11/25
Answer : C. 3/4...
43. In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green ?
A. 1/3
B. 3/4
C. 7/19
D. 8/21
E. 9/21
Answer : A. 1/3
44. Three unbiased coins are tossed. What is the probability of getting at most two heads ?
A. 3/4
B. 1/4
C. 3/8
D. 7/8
Answer : D. 7/8...
45. From a pack of 52 cards, two cards are drawn together at random. What is the probability of both the cards being kings ?
A. 1/15
B. 25/57
C. 35/256
D. 1/221
Answer : D. 1/221...
46. Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5 ?
A. 1/2
B. 2/5
C. 8/12
D. 9/20
Answer : D. 9/20...
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